LAS VEGAS, NV - SEPTEMBER 19: Jennifer Lopez performs onstage during night 2 at the 2015 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada. (Photo by Jeff Kravitz/FilmMagic)
LAS VEGAS, NV - SEPTEMBER 19: Jennifer Lopez performs onstage during night 2 at the 2015 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada. (Photo by Jeff Kravitz/FilmMagic)